AT831H-7 - Audio Technica - AT831 Lapel mic with Clip and windscreen terminated with Right Angle TRS 3.5mm miniplug
Audio Technica/Sound Professionals AT831-PODIUM-1 - Closeout! High Output Uni-Directional (Cardioid) gooseneck microphone with 5 inch gooseneck and removable weighted base AT831-PODIUM-1
Audio-Technica AT831 Cardioid Condenser Lavalier Microphone - Truth Seeker Productions/GearTechs.com
Audio-Technica AT831 Wireless System (San Antonio, TX) | Reverb
Audio-technica AT831 wired lavalier mic with AT8531 remote power module | eBay
Audio-Technica AT831 Power Module | eBay
Audio Technica AT-LAV-CLIP - Lapel clip for AT831, AT803, AT829, one pair - aka AT8417 AT-LAV-CLIP
Audio Technica/Sound Professionals AT831-SP - Cardioid lapel microphone with rotating clip and windscreen AT831-SP